Using the definition of a convex set, prove whether the following set is convex or not: s: ={(x, y)∈r2 : y≤x when x≥0 and y≥x when x< 0}

$12. that is my answer.

what is the question? i am guessing you are looking for the area.

to find an area, you have to do length x width.

in this case, it would be 12 ft x 4 ft = 48 sq. ft

i need a diagram

step-by-step explanation:

no

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734